CH402450:
Verona: Corso Sant' Anastasia and the Palazzo Maffei, 1855 (pencil & w/c heightened with white on paper), Callow, William (1812-1908) / Bridgeman Images
LMG100006:
Ehrenbreitstein and Koblenz from the Heights of Pfaffendorf, 1839 (w/c and gouache on paper), Callow, William (1812-1908) / Bridgeman Images